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Dafna11 [192]
3 years ago
14

Which of these is an indicator of the age of a woody plant?

Biology
1 answer:
Igoryamba3 years ago
3 0

Answer:

The answer to the question is A

Explanation:

The main indicator of a woody plants age like trees are the amount of rings inside, for example if a tree had twenty rings the tree would be twenty years old.

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A 6,000 kg train car is moving to the right at 10 m/s and connects to a 4,000-kg train car that wasn't moving. What is the veloc
SIZIF [17.4K]

6 m/s

This type of collision is a <u>Inelastic collision </u>

Explanation:

We begin by finding the momentum of the initial train car;

Remember that momentum is given by the formulae mass (kg) * velocity (m/s)

Therefore;

Momentum = 6000 * 10

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The other car has zero momentum because;

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When the two train cars collide, the total momentum will be;

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Therefore to find the velocity, well use the same formulae;

p = mv  whereby;

p – momentum

m – mass

v – velocity

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v = 6

= 6 m/s

This is an elastic collision because we are assuming that no energy is lost in the collision. Most collisions, however, are not elastic but rather inelastic. In inelastic collision some of the kinetic energy is lost to the environment in some other form of energy such as heat energy.

Learn More:

For more on elastic collisions check out;

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If the cells stop dividing and do not spread the tumor is
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If the cells stop dividing and do not spread, the tumor is benign
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Bones provide attachments that allow skeletal muscles to cause movements? True or false
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True ...........................

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